{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{c}}
\hline\hline
                    &\multicolumn{4}{c}{\specialcell{\;\;\;\;\; Share of water from project source \;\;\;\;\;}}\\\cmidrule(lr){2-5}
                    &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   &\multicolumn{1}{c}{(4)}   \\
\hline
Predicted switch    &       0.536***&       0.376***&       0.496***&       0.366***\\
                    &     (0.104)   &     (0.082)   &     (0.112)   &     (0.075)   \\
Constant            &       0.034***&       0.043***&       0.034***&       0.042***\\
                    &     (0.006)   &     (0.005)   &     (0.007)   &     (0.005)   \\
\hline
Predicted location  &        Desk   &        Desk   &   Algorithm   &   Algorithm   \\
Treatment unit fixed effects&          No   &         Yes   &          No   &         Yes   \\
R2                  &        0.04   &        0.26   &        0.03   &        0.26   \\
Obs                 &        4543   &        4543   &        4543   &        4543   \\
\hline\hline
\end{tabular}
}
